Meltdown?

A meltdown is 'an intense response to overwhelming situation'. It happens when someone becomtes completely overwhelmed by their current situation and temporarily loses behavioural control. This loss of control can be expressed verbally (eg shouting, screaming, crying), physically (eg kicking, lashing out, biting) or both.

according to the NAS. And another source describes it as,

A meltdown is where a person with autism or Aspergers temporarily loses control because of emotional factors. They aren't usually caused by one specific thing. Triggers build up until the person becomes so overwhelmed that they can't take in any more information.

I find the latter description more befitting personally.

A meltdown is 'an intense response to overwhelming situation'. It happens when someone becomtes completely overwhelmed by their current situation and temporarily loses behavioural control. This loss of control can be expressed verbally (eg shouting, screaming, crying), physically (eg kicking, lashing out, biting) or both.

according to the NAS. And another source describes it as,

A meltdown is where a person with autism or Aspergers temporarily loses control because of emotional factors. They aren't usually caused by one specific thing. Triggers build up until the person becomes so overwhelmed that they can't take in any more information.

I find the latter description more befitting personally.